HP EN C600, EN P667/820, EN P600, EN P550 manual Impact of DirectX, DirectX8 Performance Improvements

Comparison of Intel Pentium III and Pentium 4 Processor Performance White Paper 12

Impact of DirectX 8.0

Optimized usage of SSE/SSE2 extension and code flow optimization to take advantage of the new NetBurst micro-architecture, allow graphic drivers to make use of DirectX 8.0 programmable vertex and pixel shaders to produce significant performance gains as illustrated in Figure 6.

Figure 6: DirectX8 Performance Improvements